|1/201-1/2000|+|1/2002-1/2001|-|1/2002-1/2000|化繁为简
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 05:50:22
![|1/201-1/2000|+|1/2002-1/2001|-|1/2002-1/2000|化繁为简](/uploads/image/z/602792-8-2.jpg?t=%7C1%2F201-1%2F2000%7C%2B%7C1%2F2002-1%2F2001%7C-%7C1%2F2002-1%2F2000%7C%E5%8C%96%E7%B9%81%E4%B8%BA%E7%AE%80)
|1/201-1/2000|+|1/2002-1/2001|-|1/2002-1/2000|化繁为简
|1/201-1/2000|+|1/2002-1/2001|-|1/2002-1/2000|
化繁为简
|1/201-1/2000|+|1/2002-1/2001|-|1/2002-1/2000|化繁为简
相同分子的分数,分母越小,分数值越大.又正数和零的绝对值为其本身,负数的绝对值为其相反数.所以原式=-(1/2001-1/2000)-(1/2002-1/2001)+(1/2002-1/2000)=-1/2001+1/2000-1/2002+1/2001+1/2002-1/2000=0